NGC 2298

NGC 2298
Observation data (J2000 epoch)
Class	VI
Constellation	Puppis
Right ascension	06h 48m 59.4s
Declination	−36° 00′ 19″
Distance	34.9 kly (10.7 kpc)
Apparent magnitude (V)	9.3
Physical characteristics
Absolute magnitude	−5.85
Metallicity	${\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}$ = −1.76 ± 0.14 [1] dex
Estimated age	13.2±0.4 Gyr [2]
Other designations	Melotte 53
See also: Globular cluster, List of globular clusters

NGC 2298 is a globular cluster in the southern constellation of Puppis. Discovered by James Dunlop on May 30, 1826, it is probably a former member of the disputed Canis Major Dwarf galaxy. ^[3]

The cluster is being disrupted by the galactic tide, trailing a long tidal tail. ^[4]

References

1. Baeza, Ian; Fernández-Trincado, José G.; Villanova, Sandro; Geisler, Doug; Minniti, Dante; Garro, Elisa R.; Barbuy, Beatriz; Beers, Timothy C.; Lane, Richard R. (2022), "APOGEE-2S Mg–Al anti-correlation of the metal-poor globular cluster NGC 2298", Astronomy & Astrophysics, 662: A47, arXiv: 2204.09703 , Bibcode:2022A&A...662A..47B, doi:10.1051/0004-6361/202243475, S2CID   248300230
2. Monty, Stephanie; Puzia, Thomas H.; Miller, Bryan W.; Carrasco, Eleazar R.; Simunovic, Mirko; Schirmer, Mischa; Stetson, Peter B.; Cassisi, Santi; Venn, Kim A.; Dotter, Aaron; Goudfrooij, Paul; Perina, Sibilla; Pessev, Peter; Sarajedini, Ata; Taylor, Matthew A. (2018), "The GeMS/GSAOI Galactic Globular Cluster Survey (G4CS). I. A Pilot Study of the Stellar Populations in NGC 2298 and NGC 3201", The Astrophysical Journal, 865 (2): 160, arXiv: 1808.05271 , Bibcode:2018ApJ...865..160M, doi: 10.3847/1538-4357/aadb43 , S2CID   119089142
3. NGC 2298 (seds.org)
4. Carballo-Bello, Julio A.; Martínez-Delgado, David; Navarrete, Camila; Catelan, Márcio; Muñoz, Ricardo R.; Antoja, Teresa; Sollima, Antonio (2017), "Tails and streams around the Galactic globular clusters NGC 1851, NGC 1904, NGC 2298 and NGC 2808", Monthly Notices of the Royal Astronomical Society, 474: 683–695, arXiv: 1710.08927 , Bibcode:2018MNRAS.474..683C, doi: 10.1093/mnras/stx2767

External links

• Media related to NGC 2298 at Wikimedia Commons
• NGC 2298 at Wikisky
• NGC 2298 ^{[ permanent dead link ]} at Astrosurf
• NGC 2298 at Deepskypedia
• NGC 2298 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images